2018 Mazda CX-3 1.5 SKYACTIV-D SE L NAV

Price: £8,270. Fair price: £185 (2%) under the AskCar estimate of £8,455, our expected asking price for this car from its model, age, mileage and specification, drawing on 424 priced Mazda CX-3 adverts on AskCar as of 9 November 2026.

AskCar lists 435 used Mazda CX-3 from 352 UK dealerships, as of 9 November 2026.

Overview

  • Make: Mazda
  • Model: CX-3
  • Trim: SE L NAV
  • Version: 1.5 SKYACTIV-D SE L NAV Manual FWD Euro 6 (s/s) 5dr (104 bhp)
  • Year: 2018
  • Mileage: 38,494 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.5 litres, 104 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 105 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda CX-3 SE L Nav has covered 38,494 miles, around 7,600 fewer miles than is typical for its age. The AskCar estimate for this car is £8,455. It is priced at £8,270, which is £185 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 424 Mazda CX-3 cars across different ages and specifications. The asking price is now £220 lower than when we first recorded the advert 45 days ago. Our records show an MOT expiry date of 26 July 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at Cars in MK in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £185 (2%) under the AskCar estimate of £8,455.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 424 priced Mazda CX-3 adverts across different ages and specifications, as of 9 November 2026.

A 2018 Mazda CX-3 with the 1.5 diesel engine is typically advertised at £7,900: the median of the 10 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2018 Mazda CX-3 has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 25 September 2026 at £8,490. Its asking price is now £8,270, £220 less. The latest price cut was seen on 9 November 2026.

Price changes recorded:

  • 25 September 2026: £8,490
  • 9 November 2026: £8,270

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: the latest record we hold ran out on 26 July 2026; ask the dealer for the current MOT.

It failed its MOT on 16 July 2025 (front brake pad(s) less than 1.5 mm thick) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 31,189 miles, which matches the advertised 38,494 miles.

Advertised mileage is about 7,600 miles lower than the median mileage of a 2018 Mazda CX-3 on AskCar.

Similar cars

2 other 2018 Mazda CX-3 SE L NAV 1.5 diesel manual SUVs are for sale at UK dealers, from £7,990 to £8,795, as of 9 November 2026.

The 2 closest to this car in mileage:

  • 2018 Mazda CX-3 SE L NAV, 1.5 diesel SUV, red. Mileage: 43,381 miles. Price: £7,990, £280 less than this car. Dealer: Autotrade (Birmingham) in Birmingham. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-8bc961b93445
  • 2018 Mazda CX-3 SE L NAV, 1.5 diesel SUV, blue. Mileage: 33,129 miles. Price: £8,795, £525 more than this car. Dealer: Rb Cars in Ross-on-Wye. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-ef2688b33d29

Browse all Mazda CX-3 cars for sale · 2018 Mazda CX-3 price guide

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Photos

64 photos of this car are on its AskCar page.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.